The Ludlow Foundries Ball Rim Door Knob Black Antique will fit all the rim locks that we sell. This rim knob is made from malleable wrought iron and has a black antique finish.  Matching Accessories for the Ball Rim Knob A rim lock should be used with this rim knob; these are sold separately and a variety of them can be found in the related products. Alternatively, you can find our full range in the Locks & Latches category. Matching key escutcheons are available to be used on the opposite side of the door to the rim lock and knob.  An escutcheon is simply a cover fo...